Add -A/--add-asset, -R/--add-resource, -S/--add-source options to sift task (fixes #212)
Add -A/--add-asset, -R/--add-resource, -S/--add-source options to sift task (fixes #212)

ragnard/boot,crisptrutski/boot,upgradingdave/boot,bbatsov/boot,danielsz/boot,upgradingdave/boot,RadicalZephyr/boot,junjiemars/boot,instilled/boot,kausdev/boot,junjiemars/boot,instilled/boot,danielsz/boot,kausdev/boot,RadicalZephyr/boot,kennyjwilli/boot,upgradingdave/boot,boot-clj/boot,junjiemars/boot,ragnard/boot,ragnard/boot,kausdev/boot,danielsz/boot,crisptrutski/boot,kennyjwilli/boot,crisptrutski/boot